Q2 Let f(x) = sin(a²)da. Q2.1 Express Q2.2 I sin Q2.3 sin(x²) dx as an infinite series. Use the first two non- zero terms to estimate ["sin(x²) da Use the midpoint rule with four subdivisions to estime what you get in question 2.2. 0 5 sin(x²) dx. Compare this result with

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